Lock Washer, Mudguard, Crinkle, Full Washers, Form A
301 Stainless Steel, Copper, Nylon, Brass, Stainless Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 25 mm, 5.36 mm, 2.25 mm, 6.5 mm
5.8 mm, 0.8 mm, 0.9 mm, 1.8 mm, 0.28 mm
M5, M3 (Form A), M10, M5 (Form A), M20
DIN 6797A, BS 4320B, DIN 7980, ASME B18.21.1, DIN 7603A